Message Sizes

Use the

-mr

option to set the range of message sizes to be tuned (in bytes):

> mpitune ... -mr 16:2097152

The

mpitune

utility tunes MPI operations with message sizes that are powers of

, between the specified bounds of

and

2097152

bytes.

In This Topic

Performance varies by use, configuration and other factors. Learn more at www.Intel.com/PerformanceIndex.

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